<!DOCTYPE html>
<html lang="zh-CN">
    <head>
        <meta charset="UTF-8" />
        <title>12_过渡-案例练习</title>
        <style>
            img {
                margin-top: 100px;
                margin-left: 300px;

                width: 100px;
                height: 100px;
                border: 1px solid black;
                border-radius: 50%;

                transition-duration: 2s;
            }

            img:hover {
                transform: rotate(360deg);
            }
        </style>
    </head>
    <body>
        <img src="./img/37.jpg" alt="">
    </body>
</html>